03257   Zip Code New London Merrimack NH United States

City New London
County Merrimack
State New Hampshire
Latitude 43.41768
Longitude -71.99101
Population 4,484
Density 190.41 people per square mile
Time Zone America/New York
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $107,000
Median individual: $45,197

Race

Mode: 89.1% White

Gender

 51.8% female 

Rent

  $1594 / month  

Median house value: $560,127.0

Age

Median: 50.9 years old

Education

With at least college degree: 64.7%
With STEM degree: 52.0%

Marital Status

 49.1% married 

Never married: 34.1%

Labor Force Participation

 45.4% working 

Unemployed: 3.7%

Average Family Size

 2.78 people 

Commute Time

 24.9 minutes 

Health Care

 1.6% uninsured 

Poverty

 0.9%

All data comes from the SimpleMaps US Zips Comprehensive Database, February 2026.

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